JPH07141748A - Disk reproducing device - Google Patents

Abstract

PURPOSE:To provide a disk reproducing device capable of putting a disk undesirable to listen eliminated out of reproduction in the disk random reproduction of a disk autochanger. CONSTITUTION:Based on the setting of a disk random reproducing mode in a first operational part 1, the disk random reproducing mode is executed by a microcomputer 3 and by the operation of the operational part 1, a disk number to be put out of reproduction is inputted. By inputting the disk number, it is stored in a RAM 4 by the microcomputer 3, when it is coincident with the music number of the RAM 4 as a result of the random calculation of the music number, the random calculation is carried out again and consequently the disk random reproduction excluding the music number stored in the RAM 4 is carried out.

Description

Detailed Description of the Invention

[0001]

The present invention relates to a plurality of compact discs (hereinafter referred to as CDs) and mini discs (hereinafter referred to as MDs).
(Hereinafter referred to as ") and the like, and relates to a disc autochanger for automatically performing reproduction and exchange of those discs, and particularly to disc random reproduction including disc numbers and song numbers.

[0002]

2. Description of the Related Art A general CD autochanger (hereinafter,
CDA / C) will be described with reference to FIGS. 4 and 5.

FIG. 4 is a system block diagram of the CDA / C, in which the microcomputer 3 executes a control operation based on detection signals from the operation unit 1 and the mechanism unit 2. In the figure, 4 is R
AM and 5 are display units.

Now, FIG. 5 is a schematic view of the mechanism section 2.
The holder 6 is housed so that six CDs can be stacked. As the operation of transferring the disc from the holder 6, the holder elevating mechanism 7 is driven to push the disc having the disc number selected by the operation unit 1 or the like from the holder 6 to the roller rotation mechanism unit 9, and the selected disc position is moved. The roller rotation mechanism section 9 is moved to the side of the roller rotation mechanism section 9 and drives the disc pushing mechanism 8 to rotate the upper roller counterclockwise.
Then, the disc is moved to the right in the drawing and placed on the turntable 11. After mounting the disc, the clamper elevating mechanism 10 is driven to clamp the disc on the turntable 11.

On the contrary, when the disc is returned to the holder 6, the clamper elevating mechanism 10 is raised to move the disc elevating mechanism 12 upward, and the lateral pushing mechanism 13 transfers the disc to the left in the figure, and the upper side is rotated clockwise. Roller rotation mechanism 9 that rotates
Is sent to the original position in the holder 6.

The reproduction of the disc is performed by the pickup driving mechanism 1
4 is controlled so that the pickup follows the position of the music piece to be reproduced, and the turntable 11 is rotated by the motor 15.

Next, the disc random reproduction function in such a disc autochanger will be described. As a normal reproducing operation, the first song, the second song to the last song of the disc number 1 at the bottom of the disc holder 6 are reproduced, and then the disc of the second disc number 2 from the bottom is sequentially reproduced from the first song. To play. On the other hand, in the disc random reproduction, six disc numbers and the song numbers are randomly calculated every time the reproduction of each song is completed, and the disc and the song are randomly selected, and the discs are reproduced based on the random selection. However, the listener has no ability to predict the disc and song to be reproduced next time, and can constantly listen with a fresh feeling.

[0008]

However, such a disc random reproduction function is effective if all the discs in the holder are preferred by the listener, but even one disc in the holder is not preferable. If you include a disc (for example, a disc for English conversation or a rakugo disc that does not happen to be a software of music), a disc change to replace with another disc each time you select a disc you do not want to hear as a result of random calculation. There is a problem in that random disc playback cannot be used when a disc that one does not want to hear is contained in the holder because it becomes very troublesome to operate the keys.

The present invention solves the above problems and provides a reproducing apparatus capable of removing a disc that is not a target of random reproduction from a target of reproduction when the disc is not desired to be reproduced. It is intended to be provided.

[0010]

In order to achieve the above object, the present invention comprises a control unit for controlling a memory, a disc carrying mechanism and a reproducing mechanism, and stores a disc number in the memory. Disk number registration means,
Random reproduction setting means for setting the random reproduction mode for randomly reproducing the song number and the disc number, a random calculation executing means for executing a random calculation of the disc number when the random reproduction is set, and a result of the random calculation executing means. And a disk number determining means for comparing the disk number stored in the memory and determining the disk number to be reproduced.

The second aspect of the present invention comprises a control unit for controlling the memory, the disc transport mechanism, and the reproducing mechanism, monitors the disc change key during reproduction of the music, and reproduces the disc number when the disc change key is operated. Disc number registering means for storing in the memory, random playback setting means for setting the song number and the disc number in a random playback mode for random playback, and a random calculation for performing random calculation of the disk number when the random playback is set. The gist is to have an executing means and a disk number determining means for comparing the result of the random calculation executing means with the disk number stored in the memory to determine the disk number to be reproduced.

[0012]

According to the present invention, if the result of the disc random calculation is stored as a disc number which is not desired to be reproduced, the present invention is configured to change the result of the above calculation. It is possible to remove it from the target of.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. Since the system block diagram and the mechanism are common to those in the prior art and the control of the microcomputer is different, detailed description will be omitted for FIG. 4 which is the system block diagram and FIG. 5 which is a schematic diagram of the mechanism portion.

First, a first embodiment will be described with reference to FIG. When the disc random key of the operation unit 1 of FIG. 4 is turned on, it is monitored within 5 seconds after the operation whether the disc number to be removed from the reproduction target is operated by the ten key in the operation unit 1 (S-1). .

If operated, the disk number is stored in the RAM 4 as a disk to be excluded from the reproduction target (S
-2). For example, if it is desired not to reproduce the first and third discs, the number keys 1 and 3 are operated. Then, when 5 seconds have passed, disk random calculation for disk selection is executed. The calculation of 1 to 10 is executed by the random number generation, and it is determined whether the result is an existing disk number (S-3). For example, the calculation result is 7 ~
In case of 10, the disk does not actually exist, so it is recalculated and 1
It is determined whether or not the calculation result coincides with the disk number stored in the RAM 4 if the result is an actual one.
If they match, the random calculation is re-executed.

If the disc number does not match the disc number in the RAM 4, the disc is moved to the reproducing position (if it is already in the reproducing position, the TOC information (data such as the title name of the disc, the artist name and the total number of songs) is transferred. Perform playback operation. Then, for the selection of music numbers, the random calculation of music numbers 1 to 99 is executed. If the random calculation result actually exists from the TOC information, the reproduction operation of the music piece of that number is started. If it does not exist, it is re-executed by random calculation of the song number.

FIG. 2 is an operation flowchart showing the second embodiment. In contrast to the first embodiment, the disk number to be reproduced is stored in the RAM 4 in advance and the random disk reproduction is performed. is there. For example, when trying to play the disc random on the 1st, 2nd and 6th discs only, turn on the number keys 1, 2 and 6 within 5 seconds after the operation of the random play key and store it in the RAM4. Keep it. The random calculation result of the disk number is 1,
If the numbers 2 and 6 are coincident with each other (S-5), the music number is randomly calculated.

FIG. 3 is an operation flowchart showing a third embodiment. In the third embodiment, a random calculation of a disc number and a song number and a reproducing operation based on the result are first executed (S-6). . It is monitored whether the disc change key is operated during the reproduction of the music (S-7), and when the change key is operated, the disc number at that time is stored in the RAM 4 (S-8). Once again, the process shifts to the random calculation of the music, and if the random calculation result of the music matches the music number stored in the memory, the random calculation of the disk number is performed again. Therefore, in the third embodiment, the disc to be excluded from the reproduction target is registered when the disc is confirmed by the reproduction, and there is an advantage that the memory can be prevented.

[0019]

As described above, the disc reproducing apparatus according to the present invention is provided with the memory for storing the disc number to be removed from the random reproduction target in the disc holder or to be reproduced, and based on the song number data in the memory. Since random reproduction is performed, it is possible to remove a disc that is not desired to be listened to from the target of disc random reproduction.

[Brief description of drawings]

FIG. 1 is an operation flowchart of a microcomputer showing a first embodiment of the present invention.

FIG. 2 is an operation flowchart of a microcomputer showing a second embodiment of the present invention.

FIG. 3 is an operation flowchart of a microcomputer showing a third embodiment of the present invention.

FIG. 4 is a system block diagram of a CDA / C in general.

FIG. 5 is a schematic view of a mechanism portion.

[Explanation of symbols]

 1 Operation part 2 Mechanism part 3 Microcomputer 4 RAM 5 Display part

Claims (2)

[Claims] 1. A disc reproducing apparatus for accommodating a plurality of discs, transferring the discs to a reproducing position and reproducing the discs, comprising a memory, a disc transport mechanism, and a control unit for controlling the reproducing mechanism, and storing the disc numbers in the memory. A disc number registering means, a random reproduction setting means for setting the song number and the disc number in a random reproduction mode for random reproduction, and a random calculation executing means for executing a random calculation of the disc number when the random reproduction is set, A disc reproducing apparatus comprising: a disc number determining unit that compares a result of the random calculation executing unit with a disc number stored in the memory to determine a disc number to be reproduced. 2. A disc changer for accommodating a plurality of discs, transferring the discs to a reproducing position, and reproducing the discs, comprising a memory, a disc transport mechanism, and a control unit for controlling the reproducing mechanism. Disc number register means for storing the disc number being played when the disc change key is operated in the memory, a random play setting means for setting the random play mode for randomly playing the song number and the disc number, and the above random Random calculation executing means for executing random calculation of the disk number when set to reproduction, and disk number determination for comparing the result of the random calculation executing means with the disk number stored in the memory to determine the disk number to be reproduced A disc reproducing apparatus comprising: